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by d21d3q
Sun Aug 23, 2015 11:42 am
Forum: Hydrofoil
Topic: Home Made Foil Kite
Replies: 11
Views: 4933

Re: Home Made Foil Kite

which CAD are you using for design?
by d21d3q
Sat Oct 18, 2014 6:48 pm
Forum: Gear Builders
Topic: Bad surface after vacuum bagging
Replies: 8
Views: 2946

Re: Bad surface after vacuum bagging

d21d3q wrote: So spreading resin, waiting one or two hour till it gel should be enough before continuing with glass?
I did like this and that solved the problem. Surface is without air now (only some scratches made by perforated film, but that is different problem.
by d21d3q
Fri Oct 17, 2014 9:59 am
Forum: Gear Builders
Topic: Bad surface after vacuum bagging
Replies: 8
Views: 2946

Re: Bad surface after vacuum bagging

Yes the wood does soak up resin. On a side note. 200gm matt glass is going to provide very little additional stiffness. I applied two layers of 200 on both sides. What you need to do is seal the wood *before*. Epoxy sealer works ok. Perforated film + bleeder + breather. Good luck. So spreading resi...
by d21d3q
Thu Oct 16, 2014 10:37 pm
Forum: Gear Builders
Topic: Bad surface after vacuum bagging
Replies: 8
Views: 2946

Re: Bad surface after vacuum bagging

Yes, it is resin depleted zone. resin lacks between fibers of outer layer in some areas. Somebody from other forum suggested that wood soaks resin. It has sence since there is pattern of areas with air which goes in pair with pattern from wood. You can see that on photo Next time I will heat wood be...
by d21d3q
Thu Oct 16, 2014 8:06 pm
Forum: Gear Builders
Topic: Bad surface after vacuum bagging
Replies: 8
Views: 2946

Bad surface after vacuum bagging

I have made kiteboard using vacuum bagging Stack was as follow: vac bag matt which soak resin (I forgot eng name) perforated film 2 x 200 g/m^2 glass fabric wood, second side symetrically As resin I used epoxy (with styrene), room temperature 17 deg, after applying vacuum I started to heat with some...

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